The Chemical formula of rust is Fe2O3.xH2O.
Characteristics of rust
Properties |
Detail |
Chemical formula |
Fe2O3.nH2O |
Color |
Reddish-brown |
Texture |
Rough and brittle |
Composition |
A mixture of iron oxides and hydroxides |
Density |
5.24 g/cm³ |
Solubility |
Insoluble in water |
Electrical conductivity |
Not a good conductor of electricity |
damaging characteristics |
can corrode structural integrity and damage metal surfaces. |
Prevention |
can be avoided by using corrosion-resistant materials or providing a protective coating. |
Reaction of rust with Alkaline Earth Metal
Alkaline Earth Metal |
Reaction |
Magnesium (Mg) |
Fe2O3 + 2Mg react and convert into 2Fe + MgO |
Calcium (Ca) |
No reaction |
Strontium (Sr) |
No reaction |
Barium (Ba) |
No reaction |
Reaction of rust withTransition Metal
Transition Metal |
Reaction |
Copper (Cu) |
Cu + Fe2O3 react and convert into CuO + 2FeO |
Chromium (Cr) |
4Cr + 3Fe2O3 react and convert into 2Cr2O3 + 3Fe2O3 |
Manganese (Mn) |
3Mn + 2Fe2O3 react and convert into 3MnO + Fe2O3 |
Cobalt (Co) |
Co + Fe2O3 react and convert into CoO + 2FeO |
Nickel (Ni) |
Ni + Fe2O3 react and convert into NiO + 2FeO |
Zinc (Zn) |
Zn + Fe2O3 react and convert into ZnO + 2FeO |
Reaction of rust with Non-Transition Metal
Non-Transition Metal |
Reaction |
Carbon (C) |
Fe2O3 + 3C react and convert into 2Fe + 3CO |
Silicon (Si) |
Fe2O3 + 2Si react and convert into 2Fe + SiO2 |
Aluminum (Al) |
2Al + Fe2O3 react and convert into Al2O3 + 2Fe |
Reaction of rust with Non-Metal Element
Non-Metal Element |
Reaction |
Hydrogen (H) |
Fe2O3 + 3H2 react and convert into 2Fe + 3H2O |
Carbon (C) |
Fe2O3 + 3C react and convert into 2Fe + 3CO |
Nitrogen (N) |
4Fe + 3N2 react and convert into 2Fe3N4 |
Sulfur (S) |
Fe2O3 + 3S react and convert into 2FeS + 3SO2 |
Reaction of rust with Lanthanide Element
Lanthanide Element |
Reaction |
Cerium (Ce) |
2Ce + 3Fe2O3 react and convert into 2CeO2 + 6FeO |
Praseodymium (Pr) |
2Pr + 3Fe2O3 react and convert into 2PrO2 + 6FeO |
Europium (Eu) |
2Eu + 3Fe2O3 react and convert into 2Eu2O3 + 6FeO |
Gadolinium (Gd) |
2Gd + 3Fe2O3 react and convert into 2Gd2O3 + 6FeO |
Reaction of rust with Actinide Element
Actinide Element |
Reaction |
Uranium (U) |
3U + 4Fe2O3 react and convert into 3UO2 + 8FeO |
Plutonium (Pu) |
2Pu + 3Fe2O3 react and convert into 2PuO2 + 6FeO |
Americium (Am) |
2Am + 3Fe2O3 react and convert into 2AmO2 + 6FeO |
Curium (Cm) |
2Cm + 3Fe2O3 react and convert into 2CmO2 + 6FeO |
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